Home / 49,988.26-68,991.31-28,763.43

Finding the Fourth Proportional to 49,988.26, 68,991.31 and 28,763.43

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Solution

The fourth proportional to 49,988.26, 68,991.31 and 28,763.43 is: 39,697.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,988.26 : 68,991.31 = 28,763.43 : x
  2. Step 2: Convert to fraction form
    49,988.26/68,991.31 = 28,763.43/x
  3. Step 3: Cross multiply
    49,988.26x = 68,991.31 × 28,763.43
  4. Step 4: Simplify right side
    49,988.26x = 1,984,426,715.79
  5. Step 5: Solve for x
    x = 1,984,426,715.79/49,988.26
  6. Step 6: Final answer
    x = 39,697.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.